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The S15 supports Online upgrade and Local upgrade. 1. Online upgrade If a new firmware is available and can be detected (with the S15 connected to an avai...

1. Go to the menu of Settings->System->Languages and input->Languages. 2. Tap "Add a language" to choose the intended one. 3. Press the...

1. I2S-OUT switch When using the I2S-OUT port, please enable the I2S-OUT switch in Settings > Audio menu, which is off by default. Once the I2S output s...

1. Display sample rate When turned on, the sample rate of the track being played is displayed   2. Dark color theme Switches the default white theme to ...

1. Volume Settings a. Customized Maximum Volume Setting: After setting, all system volumes are not higher than this volume level b. Power-on volume custom...

For audio/display settings, please refer to System setting-Audio/Display menu FAQ   Local Settings-System Settings Description   1. Language Switching ...

S15 supports Android Mode, Pure Music Mode, Bluetooth Receive Mode, USB DAC Mode, AirPlay, Coaxial Decode Mode and Optical Decode Mode, Roon Ready, HDMI IN ...

1. TV or Monitor S15 supports HDMI output, you can use HDMI cable to connect S15 to TV or monitor. Used to play MV, concert videos. You can watch a drama, ...

Android Mode The first time you turn on your computer, it will enter Android mode by default, which is the most important function mode of S15, and most of...

The AirPlay function is only available when connecting the S15 to an iOS device instead of an Android one. There are 3 steps for the connection. 1. Make su...